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-rw-r--r--src/backend/executor/nodeHash.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/backend/executor/nodeHash.c b/src/backend/executor/nodeHash.c
index abd70b3b1b3..b1f6c824329 100644
--- a/src/backend/executor/nodeHash.c
+++ b/src/backend/executor/nodeHash.c
@@ -439,7 +439,7 @@ ExecChooseHashTableSize(double ntuples, int tupwidth, bool useskew,
* don't count palloc overhead either.
*/
tupsize = HJTUPLE_OVERHEAD +
- MAXALIGN(sizeof(MinimalTupleData)) +
+ MAXALIGN(SizeofMinimalTupleHeader) +
MAXALIGN(tupwidth);
inner_rel_bytes = ntuples * tupsize;